If you use Vectan SP2 or other super fine grained powders, you know how the powder can leak around the powder bar and even jam the Dillon powder bar. The Arredondo Accessories plastic Powder Drop Slide has been proven to cure this problem.

We have arranged with Arredondo Accessories to carry their Powder Drop Slide with our Micrometer Powder Bar Kit™ preinstalled. You get all of the advantages of the Arredondo Powder Drop Slide PLUS our Micrometer Powder Bar Kit™!

Need super small powder drops? These powder drop slides are customized, exclusively for UniqueTek, to allow even smaller powder drops than the standard Arredondo Powder Drop Slide. They will meter down to 0.7 grains (with Win 231) and they meter very small powder drops more accurately than the Dillon extra-small powder bar. If you are loading small centerfire cartridges like the .32 S&W Long for ISSF Center Fire Pistol and other target competition, this is THE powder bar to use!

To download a copy of the Calibration Curve spread sheet in the Microsoft Excel .xltx format, just Click Here. If you need a copy for an old version of Excel (.xlt format), please send me an email and I'll be happy to send it to you.

(Click on chart to view larger)

As with our Micrometer Powder Bar Kit™, we provide a FREE Excel spread sheet you can use to generate "calibration curves" for each of your gunpowders. The "calibration curve," enables you to predict the micrometer setting to yield any desired charge weight for that gunpowder.** You still must weigh and confirm all powder weight setting changes even when using a calibration curve that you have generated yourself.

"The best money I've ever spend on reloading equipment! It totally eliminates the tedious work of setting the powder bar to a different load."
— Mark D. - Hoboken, Belgium

"Just wanted to give you a *****5 STAR***** report. Had ordered the slide a month or so ago, and just installed it to make new 32 Auto's we are doing in solid copper projectiles. Anyway, we are making 32 Auto's in Solid Copper HP's and they are beautiful. They take 2.2 gr of W 231 and I was afraid of keeping tolerance on that small a load of gunpowder … "no problemo" Your slide dials in beautifully, and then repeats and repeats right on the money. Never got anything close to that with the Dillon Slides. It's just beautiful! I have 12 powder measures for various powders and calibers, and it always seems to take a half hour just to get the powder dialed in when I do a change-over. I expect those days are going to be over. Most of my loads are 12 gror less, so I expect to order several after Christmas. Anyway, thanks so much. After about 7 years of struggling with other slides, I am so pleased to find a slide that is both singularly accurate, and repeats that accuracy over and over. Also, I am pleased to report that the fit is tight enough that powder does not leak through the cracks, confusing the process"
— Milo A. - Akron, OH

ORDERING NOTES: Due to the different orientations of the powder measure on the various Dillon presses, the powder drop slide is available with the micrometer installed in one of two orientations.
• Left side of powder bar — For RL 550B or Super 1050
• Right side of powder bar — For XL 650 or Square Deal B
Although the micrometer index marks will read upside down on the XL 650 or Square Deal B, this orientation provides better visibility of the micrometer and easier powder weight adjustment. Please select the correct index mark orientation from the pop-up menu. If you do not make a selection, you will be sent the version for the RL 550B/Super 1050 presses.

Customer Reviews

Average rating from 3 reviews: 5.0

OldcasterI use this to load 32 ACP for my Pardini and the load is 1.5 grains of Tite Group. In a case this small, it doesn't take much inaccuracy to mess things up. The regular size powder drop won't throw that amount anyway and neither will anything else. If the drop varies .15 of a grain, that is already 10%. The same as having a 4 grain load off 4 tenths of a grain.Written by William Lau on Fri 8 Feb 2019 10:03:34 PM GMT

Arredondo Powder Drop Slide with MicrometerThis powder bar and micrometer is great! It eliminates powder leakage between the sliding parts and the micrometer is very repeatable. Once your data is input to the calibration spread sheet it dial it up, verify weight and you're ready to go.Highly recommend this product!Written by Butch Moore on Tue 29 Jan 2019 2:29:06 PM GMT

ConsistencyThis thing is amazingly accurate. Took a few hundred rounds for it to stop dragging, but works great on tiny 1.5 gr loads. Very repeatable.Written by Jack on Fri 20 Oct 2017 3:01:08 AM GMT

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